concatenate elements of 2 lists python code example

Example 1: python add elements of two lists together

list1 = [1, 2, 3]
list2 = [4, 5, 6]
sum_list = []

for (item1, item2) in zip(list1, list2):
	sum_list.append(item1 + item2)

print(sum_list)

Example 2: python concatenate list of lists

x = [["a","b"], ["c"]]

result = sum(x, [])